Signed by the Texans an undrafted free agent on May 1, 2009, Foster, wearing No. 37, appeared in five games during the 2009 season. He rushed for 119 yards in the season finale against the New England Patriots.

Photo: Nick De La Torre, Houston Chronicle

Signed by the Texans an undrafted free agent on May 1, 2009,...

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Foster rushed for a career-high 231 yards in the 2010 season opener, a 34-24 Texans' win over the Indianapolis Colts.

Photo: Brett Coomer, Houston Chronicle

Foster rushed for a career-high 231 yards in the 2010 season...

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Foster led the league in rushing with 1,616 yards on the ground. He also scored an NFL-best 18 touchdowns

Photo: Smiley N. Pool, Houston Chronicle

Foster led the league in rushing with 1,616 yards on the ground. He...

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Foster rushed for 1,224 yards during the 2011 season.

Photo: Smiley N. Pool, Houston Chronicle

Foster rushed for 1,224 yards during the 2011 season.

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Arian Foster wipes tears from his eyes during a news conference at Reliant Stadium announcing his $43.5 million, five-year deal with the Texans.

Foster carried the ball a career-high 351 times as he rushed for 1,424 yards during the 2012 season.

Photo: Smiley N. Pool, Houston Chronicle

Foster carried the ball a career-high 351 times as he rushed for...

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Foster tosses a ball during practice.

Photo: Brett Coomer, Houston Chronicle

Foster tosses a ball during practice.

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Foster catches a pass during practice.

Photo: Brett Coomer, Houston Chronicle

Foster catches a pass during practice.

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Foster listens to his head phones as he warms up before a game.

Photo: Karen Warren, Houston Chronicle

Foster listens to his head phones as he warms up before a game.

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Foster takes a knee during practice OTAs in May 2013.

Photo: James Neilsen, Houston Chronicle

Foster takes a knee during practice OTAs in May 2013.

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Foster receives a handoff from quarterback Matt Schaub.

Photo: Karen Warren, Houston Chronicle

Foster receives a handoff from quarterback Matt Schaub.

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Having missed training camp and the preseason due to injury, Foster rushed for 542 yards in eight games during the 2013 season. On Nov. 12, the Texans placed Foster on injured reserve due to a back injury.

Photo: Brett Coomer, Houston Chronicle

Having missed training camp and the preseason due to injury, Foster...